Wireless sensors powered by good vibrations

Posted by Pete Danko, EarthTechling

MIT researchers are claiming a key advance in overcoming an impediment to taking full advantage of wireless sensors, the little devices that can be used to monitor faraway infrastructure. 


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China cracks down on rare earth exports

Posted by Trent Nouveau
A wary Beijing is eyeing new restrictions on the export of "rare earth" materials used in the manufacture of low-carbon energy technologies.
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